supply of potable water purification system , potable water purification system with inbuilt water cooler. specifications as per storage cap acity 80-litres, cooling capacity 50-litres, purification capacity 50-litres, warranty of compressor-03 years, warranty of machine-02 years, water filter type-ro & uv based, condenser material ?copper, certification-i so, refrigerant-r134a, number of faucets-02, storage tank material stainless steel 304, body material ss 3 04,number of free services during warranty-02 make/brand- number of free services during warranty-02, m ake: voltas or aquaguard or blue star or usha or similar. [ warranty period: 30 months after the date of d elivery ] ]